gift shop vs store

gift shop and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
gift shop	Yes	No	No	No
store	Yes	No	Yes	No

As nouns, store is a hypernym of gift shop; that is, store is a word with a broader meaning than gift shop:

Other hypernyms of gift shop include shop.

gift shop (noun)	store (noun)
a shop that sells miscellaneous articles appropriate as gifts	a mercantile establishment for the retail sale of goods or services
	a depository for goods
	an electronic memory device
	a supply of something available for future use

gift shop (verb)	store (verb)
	keep or lay aside for future use
	find a place for and put away for storage